P

Inventor

HOWLAND WARREN W

US7 patents
⚠️ This page may combine multiple inventors who share the name “HOWLAND WARREN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MEDTRONIC INC

3 patents
US5278200AJan 11, 1994

Thromboresistant material and articles

MEDTRONIC INC130 citations97
US5558633ASep 24, 1996

Device and method for iontophoretic drug delivery

MEDTRONIC INC66 citations94
US5525356AJun 11, 1996

Amphoteric N-substituted acrylamide hydrogel and method

MEDTRONIC INC54 citations94

HENKEL CORP

3 patents
US4695453ASep 22, 1987

Thickened alcoholic antimicrobial compositions

HENKEL CORP61 citations94
US4655943AApr 7, 1987

Thickeners having two ionic components and use thereof in aqueous compositions

HENKEL CORP24 citations80
US4692169ASep 8, 1987

Use of etherified polygalactomannan gums as carbonaceous slurry stabilizers

HENKEL CORP2 citations56

ALZA CORP

1 patent
US5423739AJun 13, 1995

Device and method for iontophoretic drug delivery

ALZA CORP93 citations94